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F1: scale (arabic)/voice part – Yamaha PSR-4000 User Manual

Page 104

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F1: Scale (Arabic)/Voice Part

The PSR-4000 has a range of advanced tuning and other voice-

related functions which are all included in the F1 function group.

SCALE (ARABIC)

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Selects either the normal equal temperament scale
or an “arabic” scale in which each note can be tuned
over a 127-cent range.

Use the

SCALE LCD [/] controls to select

either the

EQUAL TEMPERAMENT or ARABIC

scale.

When the ARABIC scale is selected you can use

the

TUNE NOTE LCD [/] controls to select the

note you want to tune (the selected note will be
highlighted in the graphic keyboard in the upper
section of the display), then use the large ▲ and ▼
LCD [/] control to coarse-tune the selected key
in 25-cent steps, and the small

and

LCD [/]

control to fine-tune the selected note in 1-cent steps.
The tuning range is from “–64” through “0” to
“+63”. Each increment equals one cent (one “cent”
is one hundredth of a semitone). The current tuning
of each note is shown in the corresponding key of the
graphic keyboard display.

VOICE PART

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PART TUNE

Individual tuning parameters are provided for

the LEFT, RIGHT 1, RIGHT 2, and LEAD voices,
allowing each voice to be tuned over a

±

100-cent

range.

When the AUTO mode is selected, part tuning is

automatic and the individual parts cannot be tuned
manually. To tune manually, first use the

MODE

LCD [/] control to select the

MANUAL mode,

then use the

LEFT, R1, R2, or LEAD LCD [/

]control to tune the corresponding voice as re-
quired. The current tuning value for each part is
shown next to the PART TUNE parameter in the
upper section of the display.